Residents and visitors along Southern China should closely monitor the progress of 09W (FERDIE).

Do not use this for life or death decision. This advisory is intended for additional information purposes only. Kindly refer to your country's official weather agency for local warnings, advisories & bulletins.

09W (FERDIE) is expected to move WNW for the next 24 to 48 hours then bend more westward through 72 hours. On the forecast track, the core of 09W will pass about 225 km to the South of Hong Kong on Monday morning and cross Western Guangdong's Southern Peninsula, passing very close to Longmenzhen, China by midday Tuesday.

Maximum Sustained Winds (1-min. avg) are near 45 km/hr (25 knots) with higher gusts. Additional strengthing is expected within the next 12 to 24 hours, and 09W (Ferdie) will become a Tropical Storm (TS) later today.

The following is the summary of the 3-day forecast outlook on this system:

SUNDAY EARLY MORNING: Upgraded to a Tropical Storm (TS) as it exits the Philippine Area of Responsibility (PAR), away from Extreme Northern Luzon [2AM JUL 22: 19.3N 118.5E @ 65kph]. MONDAY EARLY MORNING: Continues gaining strength as it turns westward across the West Philippine Sea (South China Sea)...passing south of Hong Kong [2AM JUL 23: 20.1N 115.3E @ 85kph]. TUESDAY EARLY MORNING: Bears down the coast of Western Guangdong...strength at near Typhoon intensity [2AM JUL 24: 20.5N 111.2E @ 95kph].

EFFECTS & HAZARDS SUMMARY

Below is the summary of the storm's parts and its hazards affecting specific areas:

DISPLACED RAINBANDS - affecting & spreading across Western Luzon (from Ilocos Norte down to Zambales).Cloudy/Rainy Conditions w/ moderate to strong winds (<62 kph) will be expected along these bands (click here to know more about Rainbands).

CURRENT SW MONSOON INTENSITY:STRONG >> Cloudy skies with passing occasional to continuous showers, rains or thunderstorms w/ squalls will be expected across the following affected areas: WESTERN & SOUTHERN LUZON, METRO MANILA, BICOL REGION, MINDORO, PALAWAN, AND VISAYAS. Light to moderate SW'ly winds (not in excess of 30 kph) will blow across the abovementioned areas.